package samsung.sds.system.security.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.security.access.SecurityMetadataSource;
import org.springframework.security.access.intercept.AbstractSecurityInterceptor;
import org.springframework.security.access.intercept.InterceptorStatusToken;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;

public class SysFilterSecurityInterceptor extends AbstractSecurityInterceptor
		implements Filter {

	private FilterInvocationSecurityMetadataSource securityMetadataSource;

	public void init(FilterConfig filterConfig) throws ServletException {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		FilterInvocation fiter = new FilterInvocation( request, response, chain );  
		InterceptorStatusToken  token = beforeInvocation(fiter);  
		try{
			fiter.getChain().doFilter(fiter.getRequest(), fiter.getResponse());
		}finally{
			afterInvocation(token, null);  
		}
	}

	public void destroy() {

	}

	@Override
	public Class<?> getSecureObjectClass() {
		return FilterInvocation.class;
	}

	@Override
	public SecurityMetadataSource obtainSecurityMetadataSource() {
		return securityMetadataSource;
	}

	public FilterInvocationSecurityMetadataSource getSecurityMetadataSource(){  
		return securityMetadataSource;
	}
	
	public void setSecurityMetadataSource(FilterInvocationSecurityMetadataSource securityMetadataSource){
		this.securityMetadataSource = securityMetadataSource;
	}
}
